CVE-2017-11871

moderate-risk
Published 2017-11-15

ChakraCore and Microsoft Edge in Windows 10 1703, 1709, and Windows Server, version 1709 allows an attacker to gain the same user rights as the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11836, CVE-2017-11837, CVE-2017-11838, CVE-2017-11839, CVE-2017-11840, CVE-2017-11841, CVE-2017-11843, CVE-2017-11846, CVE-2017-11858, CVE-2017-11859, CVE-2017-11861, CVE-2017-11862, CVE-2017-11866, CVE-2017-11869, CVE-2017-11870, and CVE-2017-11873.

Do I need to act?

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20.5% chance of exploitation in next 30 days
EPSS score — higher than 79% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/101730
Third Party Advisory http://www.securitytracker.com/id/1039780
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-1187...
Third Party Advisory http://www.securityfocus.com/bid/101730
Third Party Advisory http://www.securitytracker.com/id/1039780
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-1187...
43
/ 100
moderate-risk
Severity 22/34 · High
Exploitability 14/34 · Moderate
Exposure 7/34 · Low